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-rw-r--r--gcc/tree-predcom.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index fdb32f1..d078b96 100644
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -1331,7 +1331,14 @@ determine_roots_comp (struct loop *loop,
/* Trivial component. */
if (comp->refs.length () <= 1)
- return;
+ {
+ if (comp->refs.length () == 1)
+ {
+ free (comp->refs[0]);
+ comp->refs.truncate (0);
+ }
+ return;
+ }
comp->refs.qsort (order_drefs);
FOR_EACH_VEC_ELT (comp->refs, i, a)